diff --git a/Analysis/ExplodedGraph.cpp b/Analysis/ExplodedGraph.cpp
index 1cfb02c..826162f 100644
--- a/Analysis/ExplodedGraph.cpp
+++ b/Analysis/ExplodedGraph.cpp
@@ -28,7 +28,7 @@
       std::vector<ExplodedNodeImpl*>* V = new std::vector<ExplodedNodeImpl*>();
       V->push_back(NOld);
       V->push_back(N);
-      P = reinterpret_cast<uintptr_t>(V) & SizeOther;
+      P = reinterpret_cast<uintptr_t>(V) | SizeOther;
     }
     else
       P = reinterpret_cast<uintptr_t>(N);